diff --git a/Lib/idlelib/config-extensions.def b/Lib/idlelib/config-extensions.def
index 39e69ce20d4..5edbd98cad6 100644
--- a/Lib/idlelib/config-extensions.def
+++ b/Lib/idlelib/config-extensions.def
@@ -3,75 +3,37 @@
 # IDLE reads several config files to determine user preferences.  This
 # file is the default configuration file for IDLE extensions settings.
 #
-# Each extension must have at least one section, named after the extension
-# module. This section must contain an 'enable' item (=1 to enable the
-# extension, =0 to disable it), it may contain 'enable_editor' or 'enable_shell'
-# items, to apply it only to editor/shell windows, and may also contain any
-# other general configuration items for the extension.
+# Each extension must have at least one section, named after the
+# extension module. This section must contain an 'enable' item (=True to
+# enable the extension, =False to disable it), it may contain
+# 'enable_editor' or 'enable_shell' items, to apply it only to editor ir
+# shell windows, and may also contain any other general configuration
+# items for the extension.  Other True/False values will also be
+# recognized as boolean by the Extension Configuration dialog.
 #
-# Each extension must define at least one section named ExtensionName_bindings
-# or ExtensionName_cfgBindings. If present, ExtensionName_bindings defines
-# virtual event bindings for the extension that are not user re-configurable.
-# If present, ExtensionName_cfgBindings defines virtual event bindings for the
+# Each extension must define at least one section named
+# ExtensionName_bindings or ExtensionName_cfgBindings. If present,
+# ExtensionName_bindings defines virtual event bindings for the
+# extension that are not user re-configurable. If present,
+# ExtensionName_cfgBindings defines virtual event bindings for the
 # extension that may be sensibly re-configured.
 #
-# If there are no keybindings for a menus' virtual events, include lines like
-# <<toggle-code-context>>=   (See [CodeContext], below.)
+# If there are no keybindings for a menus' virtual events, include lines
+# like <<toggle-code-context>>=  (See [CodeContext], below.)
 #
-# Currently it is necessary to manually modify this file to change extension
-# key bindings and default values. To customize, create
+# Currently it is necessary to manually modify this file to change
+# extension key bindings and default values. To customize, create
 # ~/.idlerc/config-extensions.cfg and append the appropriate customized
 # section(s).  Those sections will override the defaults in this file.
 #
-# Note: If a keybinding is already in use when the extension is
-# loaded, the extension's virtual event's keybinding will be set to ''.
+# Note: If a keybinding is already in use when the extension is loaded,
+# the extension's virtual event's keybinding will be set to ''.
 #
 # See config-keys.def for notes on specifying keys and extend.txt for
 # information on creating IDLE extensions.
 
-[FormatParagraph]
-enable=1
-[FormatParagraph_cfgBindings]
-format-paragraph=<Alt-Key-q>
-
-[AutoExpand]
-enable=1
-[AutoExpand_cfgBindings]
-expand-word=<Alt-Key-slash>
-
-[ZoomHeight]
-enable=1
-[ZoomHeight_cfgBindings]
-zoom-height=<Alt-Key-2>
-
-[ScriptBinding]
-enable=1
-enable_shell=0
-enable_editor=1
-[ScriptBinding_cfgBindings]
-run-module=<Key-F5>
-check-module=<Alt-Key-x>
-
-[CallTips]
-enable=1
-[CallTips_cfgBindings]
-force-open-calltip=<Control-Key-backslash>
-[CallTips_bindings]
-try-open-calltip=<KeyRelease-parenleft>
-refresh-calltip=<KeyRelease-parenright> <KeyRelease-0>
-
-[ParenMatch]
-enable=1
-style= expression
-flash-delay= 500
-bell= 1
-[ParenMatch_cfgBindings]
-flash-paren=<Control-Key-0>
-[ParenMatch_bindings]
-paren-closed=<KeyRelease-parenright> <KeyRelease-bracketright> <KeyRelease-braceright>
-
 [AutoComplete]
-enable=1
+enable=True
 popupwait=2000
 [AutoComplete_cfgBindings]
 force-open-completions=<Control-Key-space>
@@ -79,18 +41,58 @@ force-open-completions=<Control-Key-space>
 autocomplete=<Key-Tab>
 try-open-completions=<KeyRelease-period> <KeyRelease-slash> <KeyRelease-backslash>
 
+[AutoExpand]
+enable=True
+[AutoExpand_cfgBindings]
+expand-word=<Alt-Key-slash>
+
+[CallTips]
+enable=True
+[CallTips_cfgBindings]
+force-open-calltip=<Control-Key-backslash>
+[CallTips_bindings]
+try-open-calltip=<KeyRelease-parenleft>
+refresh-calltip=<KeyRelease-parenright> <KeyRelease-0>
+
 [CodeContext]
-enable=1
-enable_shell=0
+enable=True
+enable_shell=False
 numlines=3
-visible=0
+visible=False
 bgcolor=LightGray
 fgcolor=Black
 [CodeContext_bindings]
 toggle-code-context=
 
-[RstripExtension]
-enable=1
-enable_shell=0
-enable_editor=1
+[FormatParagraph]
+enable=True
+[FormatParagraph_cfgBindings]
+format-paragraph=<Alt-Key-q>
 
+[ParenMatch]
+enable=True
+style= expression
+flash-delay= 500
+bell=True
+[ParenMatch_cfgBindings]
+flash-paren=<Control-Key-0>
+[ParenMatch_bindings]
+paren-closed=<KeyRelease-parenright> <KeyRelease-bracketright> <KeyRelease-braceright>
+
+[RstripExtension]
+enable=True
+enable_shell=False
+enable_editor=True
+
+[ScriptBinding]
+enable=True
+enable_shell=False
+enable_editor=True
+[ScriptBinding_cfgBindings]
+run-module=<Key-F5>
+check-module=<Alt-Key-x>
+
+[ZoomHeight]
+enable=True
+[ZoomHeight_cfgBindings]
+zoom-height=<Alt-Key-2>